Test List > P > Phosphate
Below is a full list of analytical tests performed by TEI. Scroll through the list and click on a test name to see a list of individual methods and a more detailed description.
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Phosphate by EPA Method 365.2M
Determines dissolved and total orthophosphate, hydrolyzable phosphate, and phosphorus (all forms) in drinking, surface and saline waters; domestic and industrial wastes. Samples should be collected in plastic or Pyrex glass containers. Samples should be preserved with 2 mL of concentrated sulfuric acid and refrigerated at 4C. If samples are collected near benthic deposits, take care not to include materials from the deposits.
https://www.nemi.gov/apex/f?p=237:38:3190301636725031::::P38_METHOD_ID:5254
Phosphate by ASTM Method D4327
Determination of phosphate in water by ion chromatography.
http://www.astm.org/Standards/D4327.htm